TY  - BOOK
AU  - Sharma Jagdish Saran
AU  -  Grover D R
TI  - Reference service and sources of information
U1  - 2:97, M7 
PY  - 1987///
CY  - New Delhi
PB  - Ess Ess      
KW  -  DOCUMENTATION
KW  - LIBRARY SCIENCE
ER  -